In the end, moral diplomacy increased the U.S.'s direct military action in many countries and also greatly impacted the economy by manipulating situations in countries that were not democratic or those that held what Wilson viewed as morally corrupt values.

Why was the moral diplomacy good?

Pros. Moral diplomacy was a major tool for the United States to pursue its economic interests abroad. This meant that the United States would grow and at the same time, help other nations to grow and prosper in terms of economic conditions by helping them.

Why was moral diplomacy a failure?

“Moral diplomacy” failed because the U.S. became overly reliant on its allies. After losing Korea and Vietnam, Uncle Sam realized he cannot just wipe his enemies off of the map using his own hands.